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put into quadratic formula

Need help with this problem put into quadratic formula-example-1
User Emidander
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This is the answer for the quadratic formula
Need help with this problem put into quadratic formula-example-1
User Yiwen
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Answer:
(-7+√(49-4(15)(-12)) )/(30)

Explanation:

Use the quadratic formula:


\frac{-b+-\sqrt{b^(2)-4(ac) } }{2a}

Substitute the values, A = 15, b = 7, c = -12


\frac{-7+-\sqrt{7^(2)-4*(15*-12) } }{2*15}

Simplify to answer:


(-7+49-4(15)(-12))/(30)

I hope this helps!

User Demiton
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